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Finding the Fourth Proportional to 222,556.16, 333,888.96 and 64,785.98

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Solution

The fourth proportional to 222,556.16, 333,888.96 and 64,785.98 is: 97,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,556.16 : 333,888.96 = 64,785.98 : x
  2. Step 2: Convert to fraction form
    222,556.16/333,888.96 = 64,785.98/x
  3. Step 3: Cross multiply
    222,556.16x = 333,888.96 × 64,785.98
  4. Step 4: Simplify right side
    222,556.16x = 21,631,323,484.78
  5. Step 5: Solve for x
    x = 21,631,323,484.78/222,556.16
  6. Step 6: Final answer
    x = 97,194.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.